Daniel Dantas
Daniel’s Kindle Notes & Highlights
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography, by Simon Singh

4%
Flag icon
German agents in Latin America would photographically shrink a page of text down to a dot less than 1 millimeter in diameter, and then hide this microdot on top of a full stop in an apparently innocuous letter.
See Daniel’s 326 highlights
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography
The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography
by Simon Singh
Rate this book
Clear rating
1 of 5 stars2 of 5 stars3 of 5 stars4 of 5 stars5 of 5 stars
Open Preview